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2014•Asian Journal of Organic ChemistryRequires access

A Ferrocene‐Functionalized Bistable [2]Rotaxane with Switchable Fluorescence

Li Liu, Qi Wang, Ming Cheng, Xiao‐Yu Hu, Juli Jiang, Leyong Wang

Open publisher page 17 citations

Abstract

Abstract A switchable, bistable molecular shuttle based on dialkylammonium ion and urea functional recognition sites, and a macrocycle bearing a ferrocenyl unit has been constructed, in which the ferrocenyl macrocycle can be easily switched along the thread by addition of acid/base or by addition/removal of acetate anions. The shuttling motion of the macrocycle is accompanied with different fluorescence responses via the adjustment of the photoinduced electron transfer (PET) effect between the ferrocene electron donor and the fluorophores.

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What this paper is about

Abstract A switchable, bistable molecular shuttle based on dialkylammonium ion and urea functional recognition sites, and a macrocycle bearing a ferrocenyl unit has been constructed, in which the ferrocenyl macrocycle can be easily switched along the thread by addition of acid/base or by addition/removal of acetate anions. The shuttling motion of the macrocycle is accompanied with different fluorescence responses via the adjustment of the photoinduced electron transfer (PET) effect between the ferrocene electron donor and the fluorophores.

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Available abstract

Abstract A switchable, bistable molecular shuttle based on dialkylammonium ion and urea functional recognition sites, and a macrocycle bearing a ferrocenyl unit has been constructed, in which the ferrocenyl macrocycle can be easily switched along the thread by addition of acid/base or by addition/removal of acetate anions. The shuttling motion of the macrocycle is accompanied with different fluorescence responses via the adjustment of the photoinduced electron transfer (PET) effect between the ferrocene electron donor and the fluorophores.

Key concepts: Rotaxane, Chemistry, Ferrocene, Bistability, Fluorescence, Photoinduced electron transfer, Photochemistry, Electron transfer

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